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EP0841465B1 - Dispositif de mesure de verticalité d'un engin de forage - Google Patents

Dispositif de mesure de verticalité d'un engin de forage Download PDF

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Publication number
EP0841465B1
EP0841465B1 EP19970402609 EP97402609A EP0841465B1 EP 0841465 B1 EP0841465 B1 EP 0841465B1 EP 19970402609 EP19970402609 EP 19970402609 EP 97402609 A EP97402609 A EP 97402609A EP 0841465 B1 EP0841465 B1 EP 0841465B1
Authority
EP
European Patent Office
Prior art keywords
rig
cables
points
measuring
cable
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP19970402609
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0841465A1 (fr
Inventor
Phillippe Chagnot
Thierry Patrice Raymont
Jacques Levallois
Joel Cano
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Compagnie du Sol SARL
Original Assignee
Compagnie du Sol SARL
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Compagnie du Sol SARL filed Critical Compagnie du Sol SARL
Publication of EP0841465A1 publication Critical patent/EP0841465A1/fr
Application granted granted Critical
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Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B47/00—Survey of boreholes or wells
    • E21B47/02—Determining slope or direction
    • E21B47/022—Determining slope or direction of the borehole, e.g. using geomagnetism
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C9/00—Measuring inclination, e.g. by clinometers, by levels

Definitions

  • the present invention relates to a device for measuring the vertical movement of a drilling rig.
  • the invention relates to a device which continuously measures any deviations from the vertical view of a drilling machine intended for digging trenches of great depths and reduced width, typically equal to the width of the craft.
  • Such devices are notably but not exclusively rotary drum drilling machines. They are described in particular in the patent French 2,211,027.
  • the drilling rig is suspended from a rig lifting by cables.
  • the machine continues a movement lowering as its rotating drums dig the trench.
  • the trench may have a large depth which can reach 100 meters or more.
  • this trench has high accuracy as for its verticality in particular because the final trench results a juxtaposition of vertical drilling.
  • the required precision can be of the order of 1 mm in the horizontal direction per meter of trench depth.
  • JP 08 043094A and JP 08 014894A describe devices for measuring the verticality of the movement of a drilling to dig a vertical trench from the surface of the ground. This measurement uses the cables to which the drilling rig is suspended, but it does not solve all the problems above.
  • An object of the invention is to provide a device for measuring continuous verticality of a drilling rig which also allows detect a twisting movement or a "crab" movement of this one.
  • a drilling machine 10 which is by example of the rotary drum cutter type.
  • This machine includes essentially a chassis 12 and two rotary drums 14 and 16.
  • the machine is represented in the trench 18 which it is digging.
  • the machine 10 is suspended by a muffle system not shown from a lifting machine 20.
  • two cables 22 and 24 have their first end 22a and 24b respectively fixed at two separate points A and B of the upper end 26 of the chassis 12 of the drilling machine.
  • These cables 22 and 24 have a small section to only present a stiffness scaled down. This has no drawback since they do not support not the drilling rig.
  • these cables will called cables.
  • points A and B are arranged in the median plane of the chassis of the drilling rig along its width, that is to say according to the direction of its largest dimension in section horizontal.
  • each cable 22b, 24b is mounted on a drum 28 carried by the lifting machine 20.
  • These drums are fitted with a system allowing cables 22 and 24 to be kept under tension, as the drill rig descends.
  • a device 30 for measuring the length of cable unrolled as the descent of the drilling rig is provided for each cable.
  • the cables are fully arranged above the drilling rig.
  • the distance between fixing points A and B of the cables must be sufficient to allow precise measurement of displacements.
  • this distance 1 must be significantly less than the width 1 of the in such a way that the direction of the cables is not likely to be affected by the wall of the trench in case of verticality error of the machine.
  • FIG. 3 shows in more detail the preferred method of securing the end 22a of the cable 22 on the upper end 26 of the machine drilling.
  • the fixing device comprises a bottom plate 31 integral with the upper end 26 and fixed at point A.
  • This plate 31 is connected to an inclinometer 32 via a system ball joint 34 which is preferably a universal joint.
  • the inclinometer is secured to the end 22a of the cable 22. Thanks to the presence of the universal joint 34, the indications provided by the inclinometer 32 actually correspond to the inclination of the terminal part of the cable 22 without these indications being disturbed by a twist of the cable or by the stiffness of the cable in its fixing zone.
  • FIGS. 1 and 2 also show a system 36 for guide cables 22 and 24.
  • This guide system is arranged in a horizontal plane corresponding to the upper end 18a of the trench.
  • FIG. 4 shows in more detail the guidance system 36. It is preferably made up of two retractable sleepers 38 and 40 which can be fixed on the pre-tapping guide 42.
  • Each cross-member 38 and 40 has in its center a guide ring 44 and 46 cables 22 and 24 respectively.
  • the cables 22 and 24 pass through these rings 44 and 46.
  • the crosspieces 38 and 40 are fixed.
  • the cables are "immobile" in this horizontal plane, their positions being imposed by the rings 44 and 46.
  • the position of the rings 44 and 46 coincides, for example, with that of the points of attachment A and B when the upper end of the drilling rig is substantially in this same plane.
  • the rings 44 and 46 thus define two reference points Ao and Bo.
  • FIG 6 there is shown in perspective in a simplified manner the lower end 22a of the cable 22 and is represented by a1 and b1 the two angles determined by the inclinometer 32, i.e. the angles made by the cable with the orthogonal axes X, Y of the plane horizontal.
  • X corresponds to the direction in which the overall trench must be dug
  • Y is directed in the direction the thickness or width of this trench.
  • FIG. 7 illustrates an embodiment of the invention.
  • the chassis 12 of the drilling rig is equipped with more than one inclinometer 50.
  • This inclinometer therefore allows permanent measurement of angles inclination a and b of the longitudinal axis Z, Z 'of the chassis according to the two horizontal orthogonal directions X and Y, this longitudinal axis being "normally" vertical.
  • the angles a and b are defined in the same way so that the angles a1, b1 or a2, b2.
  • 32 and 50 inclinometers are equipped with electric cables or means suitable for transmitting information with the processing circuits with which the lifting machine is fitted.
  • the processing is very schematically illustrated mathematical information provided by the various sensors and allowing to calculate the deviations of the lower points A 'and B' of the drilling rig.
  • the calculation circuit 52 permanently receives detector 30 of information whose processing makes it possible to determine the z dimension of the lower end of the drill in the position considered.
  • the calculation circuit 52 also receives inclinometers 32 associated with each cable 22 and 24, the measured values of the angles a1 and b1 and a2 and b2.
  • the processing circuit 52 receives the angles of inclination a and b delivered by the inclinometer 50 secured to the drilling.
  • the calculation circuit 52 makes it possible to develop permanently the information of displacements or deviations by with respect to the vertical of points A 'and B' of the drilling rig as well as the possible twisting effect which corresponds to the angle made by the segments Ao, Bo and A1, B1 in Figure 5.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Geophysics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Earth Drilling (AREA)
  • Pit Excavations, Shoring, Fill Or Stabilisation Of Slopes (AREA)
EP19970402609 1996-11-06 1997-11-03 Dispositif de mesure de verticalité d'un engin de forage Expired - Lifetime EP0841465B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9613507A FR2755467B1 (fr) 1996-11-06 1996-11-06 Dispositif de mesure de verticalite d'un engin de forage
FR9613507 1996-11-06

Publications (2)

Publication Number Publication Date
EP0841465A1 EP0841465A1 (fr) 1998-05-13
EP0841465B1 true EP0841465B1 (fr) 2003-08-13

Family

ID=9497362

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19970402609 Expired - Lifetime EP0841465B1 (fr) 1996-11-06 1997-11-03 Dispositif de mesure de verticalité d'un engin de forage

Country Status (4)

Country Link
EP (1) EP0841465B1 (ja)
JP (1) JP4026899B2 (ja)
DE (1) DE69724073T2 (ja)
FR (1) FR2755467B1 (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4063568A1 (de) 2021-03-23 2022-09-28 BAUER Maschinen GmbH Messanordnung und abtragsvorrichtung mit einer messanordnung

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2652686A1 (fr) * 2009-02-09 2010-08-09 Hydro Quebec Dispositif et methode pour aligner un ou plusieurs fils dans un plan
FR3001251B1 (fr) 2013-01-23 2017-05-26 Soletanche Freyssinet Procede de determination de la position d'un dispositif de coupe dans le sol a l'aide d'un chariot mobile
FR3078739B1 (fr) * 2018-03-09 2020-03-27 Soletanche Freyssinet Machine de forage comportant un dispositif de connexion pour un dispositif de mesure de verticalite
CN117759222B (zh) * 2024-02-22 2024-05-07 金钻石油机械股份有限公司 石油钻机自动送钻控制系统

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1019982B (de) * 1956-02-29 1957-11-28 Deilmann Bergbau G M B H C Verfahren zur Bestimmung der Abwanderung eines Messpunktes auf der Mittelachse eines Grossbohrloches oder Bohrschachtes mittels Seillotung
CH629298A5 (fr) * 1978-11-29 1982-04-15 Comar Reg Trust Procede et dispositif pour mesurer la deviation de l'axe reel d'un forage par rapport a l'axe prevu.
JP2915795B2 (ja) * 1994-07-05 1999-07-05 利根地下技術株式会社 地中掘削機の水平変位測定装置および地中掘削方法
JPH0829167A (ja) * 1994-07-13 1996-02-02 Sato Kogyo Co Ltd 地下掘削機の位置検出方法及び装置
JPH0843094A (ja) * 1994-07-27 1996-02-16 Hazama Gumi Ltd 地中連続壁掘削機の位置測定方法及びその装置

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4063568A1 (de) 2021-03-23 2022-09-28 BAUER Maschinen GmbH Messanordnung und abtragsvorrichtung mit einer messanordnung
WO2022200074A1 (de) 2021-03-23 2022-09-29 Bauer Maschinen Gmbh Messanordnung und abtragsvorrichtung mit einer mess-anordnung

Also Published As

Publication number Publication date
DE69724073T2 (de) 2004-06-09
EP0841465A1 (fr) 1998-05-13
FR2755467B1 (fr) 1999-05-14
FR2755467A1 (fr) 1998-05-07
JPH10221070A (ja) 1998-08-21
DE69724073D1 (de) 2003-09-18
JP4026899B2 (ja) 2007-12-26

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